Talend Studio writing to MS Azure OneLake

stecava — Thu, 11 Sep 2025 10:13:57 GMT

Hi everyone,
I’m trying to figure out if the tAzureAdlsGen2Put component can work properly with Microsoft OneLake (which is built on ADLS Gen2).
Has anyone already tried writing data to OneLake using this component?

Specifically, I’m interested in knowing:

Is it compatible out of the box, or are special configurations needed?
Any issues encountered (authentication, URL formats, permissions, etc.)?
Best practices or workarounds to make it work smoothly?

Thanks in advance for any help!

Re: Talend Studio writing to MS Azure OneLake

gouravdubey5 — Fri, 23 Jan 2026 09:18:36 GMT

Hello,

Microsoft OneLake is built on ADLS Gen2, and Talend ADLS Gen2 components (such as tAzureAdlsGen2Put / tAzureAdlsGen2Output) can be used to write data to OneLake provided the correct endpoint and authentication are configured.

Supported configuration:

Use Service Principal (OAuth 2.0) authentication.

Configure the DFS endpoint as: https://onelake.dfs.fabric.microsoft.com

Specify the Lakehouse name as the File System (container).

Use the folder path inside the Lakehouse for the target directory.

Important considerations:

Blob endpoints (blob.core.windows.net) are not supported for OneLake access.

Account Key authentication is not supported. Service Principal is recommended.

The Service Principal must have appropriate permissions on the Fabric Workspace/Lakehouse (for example, Contributor access).

If the Lakehouse is secured with private networking or shortcuts, external access must be explicitly allowed (Trusted Workspace Access).

Best practice:
Always validate connectivity using Azure Storage Explorer with the same credentials and OneLake DFS endpoint before configuring Talend jobs.

Thanks,
Gourav

topic Talend Studio writing to MS Azure OneLake in Talend Studio

Talend Studio writing to MS Azure OneLake

Re: Talend Studio writing to MS Azure OneLake